Aperiodic tilings and quasicrystals

The aim is to understand the relationship between substitution and projection properties of aperiodic tilings such as the Penrose tiling. The following issues are of interest Work in progress with Edmund Harriss (Queen Mary).

For an impression of the topic, see Andrew Lewis's short introduction , inspired by a 3rd year course I taught at Warwick in 1998 and 1999.